Initial import

lib/models/settings.js

@@ -0,0 +1,75 @@
+'use strict';
+
+let tools = require('../tools');
+let db = require('../db');
+
+module.exports = {
+    list: listValues,
+    get: getValue,
+    set: setValue
+};
+
+function listValues(filter, callback) {
+    if (!callback && typeof filter === 'function') {
+        callback = filter;
+        filter = false;
+    }
+
+    filter = [].concat(filter || []).map(key => tools.toDbKey(key));
+
+    db.getConnection((err, connection) => {
+        if (err) {
+            return callback(err);
+        }
+
+        let query;
+
+        if (filter.length) {
+            query = 'SELECT * FROM settings WHERE `key` IN (' + filter.map(() => '?').join(',') + ')';
+        } else {
+            query = 'SELECT * FROM settings';
+        }
+
+        connection.query(query, filter, (err, rows) => {
+            connection.release();
+            if (err) {
+                return callback(err);
+            }
+            let settings = {};
+            (rows || []).forEach(row => {
+                settings[row.key] = row.value;
+            });
+            return callback(null, tools.convertKeys(settings));
+        });
+    });
+}
+
+function getValue(key, callback) {
+    db.getConnection((err, connection) => {
+        if (err) {
+            return callback(err);
+        }
+        connection.query('SELECT `value` FROM settings WHERE `key`=?', [tools.toDbKey(key)], (err, rows) => {
+            connection.release();
+            if (err) {
+                return callback(err);
+            }
+            return callback(null, rows && rows[0] && rows[0].value || false);
+        });
+    });
+}
+
+function setValue(key, value, callback) {
+    db.getConnection((err, connection) => {
+        if (err) {
+            return callback(err);
+        }
+        connection.query('INSERT INTO settings (`key`, `value`) VALUES (?,?) ON DUPLICATE KEY UPDATE `key`=?, `value`=?', [key, value, key, value], (err, response) => {
+            connection.release();
+            if (err) {
+                return callback(err);
+            }
+            return callback(null, response && response.insertId || 0);
+        });
+    });
+}